2009款别克昂科雷原厂车身系统喇叭部分维修手册（可编辑）2009款别克昂科雷原厂车身系统喇叭部分维修手册Horns 4-1Body SystemsHornsSpecicationsSIE-ID 1889233 Owner kyoukh01 LMD 15-mar-2007 LMB amille01Fastener Tightening SpecicationsSpecicationApplicationMetric EnglishCruise Control Switch Bolt 25 N?m 22 lb inHorn Bracket Bolt 9 N?m 80 lb inRadio Control Switch Bolt 25 N?m 22 lb in2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-2 HornsSchematic and Routing DiagramsSIE-ID 2087799 Owner pluber01 LMD 28-mar-2008 LMB dtrocz012009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008Horns 4-3961872scitamehcSnroH2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-4 HornsDiagnostic Information and ProceduresDiagnostic Starting Point - HornsSIE-ID 1556704 Owner mgastm01 LMD 25-jul-2006 LMB tdedvu01Begin the system diagnosis with the Diagnostic SystemCheck - Vehicle on page 6-60 The Diagnostic SystemCheck will provide the following informationThe identication of the control modules whichcommand the systemThe ability of the control modules to communicatethrough the serial data circuitThe identication of any stored diagnostic troublecodes DTCs and their statusThe use of the Diagnostic System Check will identifythe correct procedure for diagnosing the systemand where the procedure is located2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008Horns 4-5DTC B2750SIE-ID 1873855 Owner tspaul01 LMD 12-jun-2007 LMB tspaul01Diagnostic Instructions DTC DescriptorPerform the Diagnostic System Check - Vehicle DTC B2750 00 Horn Relay Coil Circuiton page 6-60 prior to using this diagnosticprocedureReview Strategy Based Diagnosis on page 6-57 for Diagnostic Fault Informationan overview of the diagnostic approachDiagnostic Procedure Instructions on page 6-58provides an overview of each diagnostic categoryShort to OpenHigh Short to SignalCircuit Ground Resistance Voltage PerformanceHorn Relay B 2 2Horn Relay Control B2750 00 B2750 00 B2750 00Horn Control 2 2 1Horn Switch Ground 2 2Horn Ground 2 21 Horn Always On2 Horn InoperativeCircuitSystem Description Reference InformationThe body control module BCM controls the horn Schematic Reference relay by grounding the control circuit of the horn relaycoil energizing the relay When the horn relay is Horn Schematics on page 4-2energized the horn relay contacts close applyingConnector End View Referencevoltage through the horn fuse and the horn controlcircuit to the horns Component Connector End Views on page 11-211Description and OperationConditions for Running the DTC Horns System Description and Operation on page 4-12When the horn output is actively being requested by Electrical Information Referencethe BCMCircuit Testing on page 11-456Conditions for Setting the DTCConnector Repairs on page 11-478The BCM detects a short to ground open or short to Testing for Intermittent Conditions and Poorvoltage in the horn relay control circuit for Connections on page 11-460approximately 125 milliseconds Wiring Repairs on page 11-465Scan Tool ReferenceAction Taken When the DTC SetsControl Module References on page 6-1 for scan toolThe BCM disables the output to the horn relay until information the next ignition cycleCircuitSystem VericationConditions for Clearing the DTC Command the horns ON and OFF with the scan toolThe DTC clears when the fault is no longer The horns should turn ON and OFF when changingdetected between the commanded statesThe current DTC will become history when therequest for the output is removedThe history DTC will clear after 50 consecutivefault-free ignition cycles have occurred2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-6 HornsCircuitSystem Testing Symptoms - Horns1 Ignition OFF disconnect the HORN relay SIE-ID 1875165 Ownertspaul01 LMD 01-dec-2006 LMB tdedvu012 Ignition ON verify a test lamp illuminates between Important The following steps must be completedthe B circuit terminal 85 and ground before using the symptom tables If the test lamp does not illuminate test the B 1 Perform Diagnostic System Check - Vehicle oncircuit for a short to ground or an openhigh page 6-60 before using the symptom tables inresistance If the circuit fuse is open test order to verify that all of the following are truethe control circuit terminal 87 for a short toThere are no DTCs setground If all circuits test normal test orreplace the HORN relay The control modules can communicate via theserial data link3 Connect a test lamp between the control circuitterminal 86 and the B circuit terminal 85 2 Review the system operation in order to familiarizeyourself with the system functions Refer to Horns4 Command the horns ON and OFF with a scanSystem Description and Operation on page 4-12tool The test lamp should turn ON and OFFwhen changing between the commanded statesVisualPhysical InspectionIf the test lamp is always OFF test thecontrol circuit for a short to voltage or anInspect for aftermarket devices which could affectopenhigh resistance If the circuit tests normal the operation of the horn system Refer toreplace the BCM Checking Aftermarket Accessories on page 11-455 If the test lamp is always ON test the control Inspect the easily accessible or visible systemcircuit for a short to ground If the circuit tests components for obvious damage or conditionsnormal replace the BCM which could cause the symptom5 If all circuits test normal test or replace the Perform the following if a horn buzzes or has aHORN relay harsh toneInspect for debris in the joint where the hornComponent Testing fastens to the vehicle1 Ignition OFF disconnect the horn relay Test the torque of the horn mountinghardware The horn mounting hardware2 Test for 60–180 ohms between terminals 85should be tightened to a torque ofand 8610 N?m 7 lb ftIf not within the specied range replacethe relayIntermittent3 Test for innite resistance between the followingterminals Faulty electrical connections or wiring may be thecause of intermittent conditions Refer to Testing for30 and 86 Intermittent Conditions and Poor Connections on30 and 87 page 11-46030 and 8585 and 87 Symptom ListIf not the specied value replace the relayRefer to a symptom diagnostic procedure HornsMalfunction on page 4-6 in order to diagnose the4 Install a 30-amp fused jumper wire between relaysymptomterminal 85 and 12 volts Install a jumper wirebetween relay terminal 86 and ground Testfor less than 2 ohms between terminals 30 and 87 Horns Malfunction If greater than the specied range replace SIE-ID 1873856 Owner tspaul01 LMD 28-feb-2008 LMB tspaul01the relayDiagnostic InstructionsRepair Instructions Perform the Diagnostic System Check - Vehicle Perform the Diagnostic Repair Verication on page 6-86 on page 6-60 prior to using this diagnosticafter completing the diagnostic procedure procedureRelay Replacement Attached to Wire Harness Review Strategy Based Diagnosis on page 6-57 foron page 11-521 or Relay Replacement Within an an overview of the diagnostic approachElectrical Center on page 11-522 Diagnostic Procedure Instructions on page 6-58Control Module References on page 6-1 for BCMprovides an overview of each diagnostic categoryreplacement setup and programming2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008Horns 4-7Diagnostic Fault InformationShort to OpenHigh Short to SignalCircuit Ground Resistance Voltage PerformanceHorn Relay B 2 2Horn Relay Control B2750 00 B2750 00 B2750 00Horn Control 2 2 1Horn Switch Ground 2 2Horn Ground 2 21 Horn Always On2 Horn InoperativeCircuitSystem Description CircuitSystem VericationBattery positive voltage is applied at all times to the 1 Ignition ON press and release the steering wheelhorn relay coil and the horn relay switch Pressing the horn pad The horns should sound and emit ahorn switch applies ground through the switch clear and even tone only when the horn padcontacts and the horn relay control circuit to the coil is pressed side of the relay energizing the relay Battery If the horns do not sound when the horn padvoltage is then applied through the switch side of the is pressed or continues sounding after therelay the horn fuse and the horn control circuit to horn pad is released refer to Horn Switchthe horns The body control module BCM may also Circuit Testapply ground to the horn relay control circuit asIf the sound emitted from the horns are notdescribed above The horns sound as long as groundclear and even refer to Horn – Poor Toneis applied to the horn relay control circuit2 Command the Horn ON and OFF with the scanDiagnostic Aids tool The horns should turn ON and OFF whenchanging between the commanded statesIf diagnosing a Horn- Poor Tone condition inspect the If the horns do not turn ON and OFF whenfollowingchanging between the commanded statesDebris or water in the horn assembly refer to Horn Circuit Test Proper horn mounting hardware torque Refer toFastener Tightening Specications on page 4-1 CircuitSystem Testing Debris in the joint where the horns attach to the Horn Switch Circuit Testvehicle1 Ignition OFF disconnect the X2 harness connectorReference Information at the horn switch2 Ignition ON test for less than 1 ohm between theSchematic Reference ground circuit terminal 1 and groundHorn Schematics on page 4-2 If greater than the specied range test theConnector End View Reference ground circuit for an openhigh resistance3 Ignition OFF connect the harness connector atComponent Connector End Views on page 11-211the horn switch and disconnect the HORN relayDescription and Operation 4 Ignition ON verify that a test lamp does Horns System Description and Operation on page 4-12 not illuminate between the control circuitterminal 87 and groundElectrical Information ReferenceIf the test lamp illuminates test the controlCircuit Testing on page 11-456 circuit for a short to voltageConnector Repairs on page 11-478 5 Verify that a test lampilluminates between the BTesting for Intermittent Conditions and Poorcircuit terminal 85 and groundConnections on page 11-460 If the test lamp does not illuminate test the BWiring Repairs on page 11-465 circuit for a short to ground or an openhighresistance If the circuit tests normal andScan Tool Reference the B circuit fuse is open test the controlControl Module References on page 6-1 for scan tool circuit terminal 87 for a short to ground If theinformation circuit tests normal test or replace theHORN relay6 Verify that a test lamp illuminates between the Bcircuit terminal 30 and groundIf the test lamp does not illuminate test the Bcircuit for an openhigh resistance2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-8 Horns7 Ignition OFF disconnect the harness connector at replace the BCMthe appropriate horn8 Test for less than 5 ohms between the ground Component Testingcircuit terminal A and groundHorn TestIf greater than the specied range test theground circuit for an openhigh resistance 1 Ignition OFF disconnect the harness connector atthe appropriate horn9 Connect the harness connector at theappropriate horn 2 Install a 15A fused jumper wire between thecontrol terminal B and 12 volts Install a jumper10 Ignition ON connect a 15A fused jumper wirewire between the ground terminal A and groundbetween the B circuit terminal 30 and theVerify the horn emits a clear and even tonecontrol circuit terminal 87 Verify the horns areactivatedIf the sound emitted is not clear and evenreplace the hornIf the horns do not activate test the controlcircuit for an openhigh resistance If the Relay Testcircuit tests normal test or replace the horns 1 Ignition OFF disconnect the HORN relay11 Connect a test lamp between the B circuit 2 Test for 60–180 ohms between terminals 85terminal 85 and the control circuit terminal 86and 8612 Press and release the steering wheel horn pad If not within the specied range replaceThe test lamp should turn ON and OFF when the relaychanging between the commanded states3 Test for innite resistance between the followingIf the test lamp is always ON test the control terminalscircuit for a short to ground If the circuit tests30 and 86normal inspect for a sticking horn switch30 and 87If the test lamp is always OFF test the controlcircuit for a short to voltage or an openhigh 30 and 85resistance If the circuit tests normal inspect 85 and 87for an open horn switchIf not the specied value replace the relay13 If all circuits test normal test or replace the4 Install a 30-amp fused jumper wire between relayHORN relayterminal 85 and 12 volts Install a jumper wireHorn – Poor Tone between relay terminal 86 and ground Testfor less than 2 ohms between terminals 30 and 871 Ignition OFF disconnect the harness connector atthe appropriate horn If greater than the specied range replace2 Test for less than 5 ohms between the horn the relayground circuit terminal A and groundIf greater than the specied range test the Repair Instructionsground circuit for a high resistance Perform the Diagnostic Repair Verication on page 6-863 Disconnect the HORN relay after completing the diagnostic procedure4 Test for less than 1 ohm between the controlRelay Replacement Attached to Wire Harnesscircuit terminal 87 and the control circuit on page 11-521 or Relay Replacement Within anterminal B at the horn Electrical Center on page 11-522If greater than the specied range test the Horn Replacement on page 4-9control circuit for an openhigh resistance Steering Wheel Horn Switch Replacement on5 If all circuits test normal test or replace the horn page 4-10Control Module References on page 6-1 for BCMHorn Circuit Testreplacement setup and programming1 Ignition OFF disconnect the HORN relay2 Connect a test lamp between the B circuitterminal 85 and the control circuit terminal 863 Ignition ON command the Horn ON and OFF witha scan tool The test lamp should turn ON andOFF when changing between the commandedstatesIf the test lamp is always ON test the controlcircuit for a short to ground If the circuit testsnormal replace the BCMIf the test lamp is always OFF test circuit thecontrol circuit for a short to voltage or anopenhigh resistance If the circuit tests normal2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008Horns 4-9Repair InstructionsHorn ReplacementSIE-ID 2089581 Owner jbedna01 LMD 01-apr-2008 LMB amille011845510Horn ReplacementCallout Component NamePreliminary ProcedureRemove the front wheelhouse liner front Refer to Front Wheelhouse Front Liner Replacement Traverse on page 3-30 orFront Wheelhouse Front Liner Replacement Outlook on page 3-32Horn BoltCaution Refer to Fastener Caution on page 0-61Tighten9 N?m 80 lb inHornProcedure2Disconnect the electrical connector2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-10 HornsSteering Wheel Horn Switch ReplacementSIE-ID 2151689 Owner blitch01 LMD 11-jun-2008 LMB dkonop021915485Steering Wheel Horn Switch ReplacementCallout Component NamePreliminary ProcedureRemove the inatable restraint steering wheel module Refer to Inatable Restraint Steering Wheel Module Replacement onpage 13-43Steering Wheel Spoke Cover Qty 21Tip Use gentle pressure to disengage the steering wheel spoke covers from the steering wheelRadio Control Switch Bolt Qty 2Caution Refer to Fastener Caution on page 0-62Tighten25 N?m 22 lb inRadio Control Switch3 ProcedureDisconnect any electrical connectors as neededCruise Control Switch Bolt Qty 24 Tighten25 N?m 22 lb inCruise Control Switch5 ProcedureDisconnect any electrical connectors as needed2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008Horns 4-11Steering Wheel Horn Switch Replacement contdCallout Component NameHorn SwitchProcedure6Disconnect any electrical connectors as neededTip Use gentle pressure to disengage the horn switch from the steering wheel2009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 20084-12 HornsDescription and OperationHorns System Description and Circuit OperationOperation Battery positive voltage is applied at all times to the horn relay coil and the horn relay switch Pressing theSIE-ID 1874499 Owner tspaul01 LMD 20-sep-2007 LMB hbah01 horn switch applies ground to the horn relay controlcircuit When the horn relay control circuit is groundedSystem Description the horn relay is energized and battery positiveThe horn system consists of the following components voltage is applied to the horns through the horn controlHORN fuse circuit The horns sound as long as ground is applied to the horn relay control circuitHorn relayHorn switchHornsBody control module BCMSystem OperationThe vehicle horns are activated whenever thehorn switch is depressedThe BCM commands the horns ON under any ofthe following conditionsWhen the panic button is depressed on theremote control door lock transmitter Forfurther information refer to Keyless EntrySystem Description and Operation WithoutAccessory 2 Way Remote on page 13-17or Keyless Entry System Descriptionand Operation With Accessory 2 WayRemote on page 13-19When the content theft deterrent systemdetects a vehicle intrusion For furtherinformation refer to Content TheftDeterrent CTD Description and Operationon page 13-6When the keyless entry system is used tolock the vehicle a horn chirp may soundto notify the driver that the vehicle has beenlocked The notication feature may beenabled or disabled through personalizationFor further information refer to KeylessEntry System Description and OperationWithout Accessory 2 Way Remote onpage 13-17 or Keyless Entry SystemDescription and Operation With Accessory 2Way Remote on page 13-19When the OnStar system is used to soundthe horns if equipped For further informationrefer to OnStar Description and Operationon page 8-992009 - Acadia Enclave OUTLOOK Traverse VIN RV Service Manual June 24 2008。